1 x box of 250 photometer grade DPD1 water test tablets.

Range: 0 - 8.00 mg/L.

Made in Germany to ISO9001 standards, these are top quality at a great price.

All prices on this website include gst.

DPD1 Water Testing Tablets are the perfect solution for testing the free chlorine levels in your swimming pool, hot tub, or other water treatment applications. These tablets are specifically designed to provide accurate and reliable results for measuring the amount of available chlorine in your water, which is essential for maintaining a safe and healthy swimming environment.

The DPD1 tablets are easy to use - simply add a tablet to a 10ml sample of water, and watch as the water turns pink or red. The intensity of the color corresponds to the level of free chlorine in the water, and can be read by your photometer for precise measurements.

Our DPD1 Water Testing Tablets are of the German highest quality, and are guaranteed to provide accurate results every time. Each tablet is formulated with N,N-diethyl-p-phenylenediamine, a reliable and effective reagent for measuring free chlorine levels.

These tablets come in convenient foil packs and have a long shelf life. With our DPD1 Water Testing Tablets, you can enjoy peace of mind knowing that your pool or hot tub is safe and healthy for all swimmers.

So, if you're looking for a reliable and accurate solution for testing free chlorine levels in your water, look no further than DPD1 Water Testing Tablets. Order now and start enjoying crystal-clear, healthy water in your pool or hot tub today!

Stock update 14 May 2026: Sold out/ more stock arriving early June.